20545432202 has 8 divisors (see below), whose sum is σ = 30818769312. Its totient is φ = 10272509100.

The previous prime is 20545432199. The next prime is 20545432267. The reversal of 20545432202 is 20223454502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20545432202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102827 + ... + 227297.

It is an arithmetic number, because the mean of its divisors is an integer number (3852346164).

Almost surely, 2^20545432202 is an apocalyptic number.

20545432202 is a deficient number, since it is larger than the sum of its proper divisors (10273337110).

20545432202 is a wasteful number, since it uses less digits than its factorization.

20545432202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207004.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20545432202 its reverse (20223454502), we get a palindrome (40768886704).

The spelling of 20545432202 in words is "twenty billion, five hundred forty-five million, four hundred thirty-two thousand, two hundred two".